64✘80 验算方法? 理工学科是什么
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\u5355\u72ec\u7684\u751f\u7269\u7cfb\u5c5e\u4e8e\u7406\u79d1\uff0c\u81ea\u7136\u79d1\u5b666\u5927\u5b66\u79d1\u4e4b\u4e00\uff0c\u6bd5\u4e1a\u540e\u662f\u7406\u5b66\u5b66\u58eb\u3002
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\u3000\u3000\u7406\u5de5\u5b66\u79d1\u662f\u6307\u7406\u5b66\u548c\u5de5\u5b66\u4e24\u5927\u5b66\u79d1\u3002\u7406\u5de5\uff0c\u662f\u4e00\u4e2a\u5e7f\u5927\u7684\u9886\u57df\u5305\u542b\u7269\u7406\u3001\u5316\u5b66\u3001\u751f\u7269\u3001\u5de5\u7a0b\u3001\u5929\u6587\u3001\u6570\u5b66\u53ca\u524d\u9762\u516d\u5927\u7c7b\u7684\u5404\u79cd\u8fd0\u7528\u4e0e\u7ec4\u5408\u3002
\u3000\u3000\u7406\u5b66
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\u3000\u3000\u5de5\u5b66
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验算:5120÷80=64
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